CN207249107U - Near field antenna tests system - Google Patents
Near field antenna tests system Download PDFInfo
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- CN207249107U CN207249107U CN201721345802.1U CN201721345802U CN207249107U CN 207249107 U CN207249107 U CN 207249107U CN 201721345802 U CN201721345802 U CN 201721345802U CN 207249107 U CN207249107 U CN 207249107U
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- circular arc
- arc rail
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- near field
- spy
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Abstract
The utility model discloses a kind of near field antenna to test system, solve existing test system and accurate detection is difficult to the certain surface of antenna, its key points of the technical solution are that including circular arc rail, the sliding of circular arc rail has at least one spy rotated around the circular arc rail center of circle to penetrate component, and spy, which is penetrated, is equipped with positioning component between component and circular arc rail；Spy penetrates component towards the center of circle of circular arc rail, the bogey that measured object is placed in circle centre position is set in circular arc rail, bogey can spend rotation to realize that measured object is rotated around the center of circle, pass through freely sliding in circular arc rail of popping one's head in, test angle of the adjustment probe to antenna, it is possible to achieve test the certain surface of antenna.
Description
Technical field
A kind of antenna measurement technical field is the utility model is related to, more specifically, the utility model is related to a kind of near field
Antenna testing system.
Background technology
Antenna damnification system is one to be sleeved on that central computer control is lower to carry out antenna near-field scanning, data acquisition, survey
Examination data processing and test result show the automatic measuring system with output.
The fast development of mobile communication has promoted the R＆D work of antenna, and the country some annual output antennas occurs and reaches hundreds of
Ten thousand, kind reach as many as hundreds of enterprises.The speed of antenna measurement has become the bottleneck of the Corporation R ＆ D progress of work.
The Chinese patent document that a notification number is CN205643543U is now retrieved, a kind of its entitled 24 probe near field
Antenna testing system, by being covered with probe in a circular arc rail described in its scheme, is then placed in by 360 degree of horizontal rotations
The antenna at circular arc rail center, you can spherical scanning is completed to antenna.
However, the Antenna testing system for the probe that gathers during antenna scanning, on circular arc rail has a defect, since probe exists
Installation is pinpointed on circular arc rail, therefore the antenna performance of position pointed by detection probe can only be pinpointed, the certain surface of antenna is difficult to do
To accurate detection.
Utility model content
The purpose of this utility model is to provide a kind of near field antenna test system, by popping one's head in the free skating of circular arc rail
Move, test angle of the adjustment probe to antenna, it is possible to achieve test the certain surface of antenna.
The above-mentioned technical purpose of the utility model technical scheme is that：
Near field antenna tests system, including circular arc rail, and the sliding of circular arc rail has at least one spy rotated around the circular arc rail center of circle
Component is penetrated, spy, which is penetrated, is equipped with positioning component between component and circular arc rail；
Spy penetrates component towards the center of circle of circular arc rail, and circular arc rail is interior to set the bogey that measured object is placed in circle centre position, holds
Carry to put and can spend rotation to realize that measured object is rotated around the center of circle.
By using above-mentioned technical proposal, spy is penetrated component and is moved freely along circular arc rail, then will be visited by positioning component
Penetrate component to be fixed on circular arc rail, enhance the Modulatory character of direction controlling between probe and measured target, accurately control him
Between angle, quickly measure the radiance of measured target a direction.
More excellent is：The angle between probe and measured target can be easily controlled, by popping one's head in circular arc rail
On the one-dimensional rotation of movement and measured target bogey realize the detections of 360 ° of spherical radiation performances of measured target.
System in this programme, is provided simultaneously with determining angle detection and 360 degree of spherical radiation performance detections, two functions.
Preferably, it is single scanning head that component is penetrated in spy, the quantity that component is penetrated in spy can be 2 or 3.
By using above-mentioned technical proposal, scanning head visits the radiance for penetrating antenna；And visit the increasing for the quantity for penetrating component
Add, be to increase the detection efficiency of spherical radiation performance.
Include being used for the receiving transducer and transmitting probe for receiving and dispatching radar wave preferably, visiting and penetrating component, visit the quantity for penetrating component.
Transmitting probe launches radar wave, is then received by receiving transducer, measures measured object（Antenna）RCS
Energy；And the increase for the quantity for penetrating component is visited, it is the detection efficiency for improving sphere RCS performances
Preferably, positioning component includes the fixed motor visited and penetrated on component, circular arc rail is provided with mutual with shaft in motor
Ratcheting rack.
By using above-mentioned technical proposal, it is clear that circular arc rail penetrates the motion track of component as visiting；Machine shaft and motor
Magnetic sheet in shell has certain self-lock force, has the function that fixed probe with reference to the shaft of motor and the ratcheting relation of rack,
The rotating of motor is controlled, spy can be controlled to penetrate component and moved along rack, so that achieving the purpose that control is visited penetrates component movement.
Preferably, circular arc rail opens up jagged, bogey is located at indentation, there, and bogey is in same with circular arc rail
Plane；Bogey rotates formed plane and is mutually perpendicular to plane where circular arc rail.
By using above-mentioned technical proposal, notch has vacateed space being placed in circular arc rail for bogey, bogey
Plane where being placed in circular arc rail is favourable to reduce the common the space occupied of both bogey and circular arc rail.
Preferably, bogey is equipped with rotating disk, bogey is equipped with the power source that driving rotating disk rotates.
By using above-mentioned technical proposal, power source can be motor, and motor control rotating disk rotates, so as to easily reach
Rotated to control tested device.
Preferably, the circular arc rail is sliding slot, spy is penetrated component one end and is placed in sliding slot, and the other end is placed in outside sliding slot, sliding slot
Interior to be equipped with block piece, block piece barrier is visited and penetrates component.
By using above-mentioned technical proposal, spy is penetrated component and is moved in flower trough, and screening assembly limitation spy penetrates component and drops out cunning
Groove.
Laser locating apparatus of the component installation towards the center of circle is penetrated preferably, visiting.
By using above-mentioned technical proposal, laser locating apparatus penetrates component in circular arc rail by laser displacement sensor to spy
On angle accurately measured so that spy penetrates component head and can accurately be moved to precalculated position.
Preferably, the central angle of circular arc rail is 90 degree.
By using above-mentioned technical proposal, antenna is covered 90 degree of central angle by arc orbit, by antenna in turntable
Upper conversion position, can be detected with complete 1/4 ~ 1/2 sphere of twin aerial.
Preferably, the central angle of circular arc rail is 180 degree.
By using above-mentioned technical proposal, antenna is covered the central angle of 180 degree by arc orbit, by antenna in turntable
Upper conversion position, can be detected with complete more than 1/2 sphere of twin aerial.
Brief description of the drawings
Fig. 1 is the structure diagram of embodiment 1；
Fig. 2 is the connection relationship diagram of the sliding slot and probe in embodiment 1；
Fig. 3 is the schematic cross-sectional view of bogey in embodiment 1；
Fig. 4 is the front view of embodiment 2；
Fig. 5 is the front view of embodiment 3；
Fig. 6 is the front view that circular arc rail is a quarter bowlder in embodiment.
In figure：1st, circular arc rail；21st, sliding slot；22nd, block piece；
3rd, bogey；31st, rotating disk；32nd, motor；
4th, scanning head；
51st, receiving transducer；52nd, transmitting probe；
61st, motor；62nd, rack；63rd, gear；64th, notch；7th, laser locating apparatus.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：As shown in Fig. 1 and Fig. 2 and Fig. 3, near field antenna tests system, including circular arc rail 1, is set on circular arc rail 1
There is the guide rail of arc, guide rail sliding there are 2 spies rotated around 1 center of circle of circular arc rail to penetrate component.
It is scanning head 4 that component is penetrated in spy, and positioning component is provided with circular arc rail 1；Circle of the scanning head 4 towards circular arc rail 1
The heart.
Positioning component includes the motor 61 of scanning constant probe 4, and circular arc rail 1 installs rack 62,61 shaft of motor installation tooth
Wheel 63, rack 62 is intermeshed with gear 63.
The bogey 3 that measured object is placed in circle centre position is set in circular arc rail 1, bogey 3 can 360 degree rotate to realize
Measured object is rotated around the center of circle.
Scanning head 4 is provided with laser locating apparatus 7, and laser locating apparatus 7 includes laser positioning sensor, and gear scanning is visited
During first 4 installation circular arc rail 1, rough location of the scanning head 4 in circular arc rail 1 is determined by laser positioning sensor, then there is meter
Calculation machine is included in position, and computer passes through the control and regulation scanning head 4 for data and 32 rotating speed of motor taken during laser positioning
Position on circular arc rail 1.
Circular arc rail 1 opens up jagged 64, and bogey 3 is located at notch 64, and bogey 3 is in same with circular arc rail 1
A plane；Bogey 3 rotates formed plane and is mutually perpendicular to 1 place plane of circular arc rail.
Bogey 3 is equipped with rotating disk 31, and bogey 3 is equipped with the motor 32 that driving rotating disk 31 rotates, electronic
Machine 32 is connected with rotating disk 31 by flat key.
Circular arc rail 1 offers the sliding slot 21 that track is arc-shaped, and 4 one end of scanning head is placed in sliding slot 21, and the other end is put
In outside sliding slot 21；Block piece 22,22 barrier scanning head 4 of block piece are equipped with sliding slot 21；The section of sliding slot 21 is T-shaped, due to sliding slot
21 osculum end carries out scanning head 4 limitation of trough width direction both sides, reduces scanning head 4 and occurs in flower trough 21
The possibility of biased, the position that scanning head 4 is moved to are more accurate.Laser locating apparatus 7 is placed in the outside of circular arc rail 1, laser
Positioner 7 is installed on scanning head 4, and after positioning, laser locating apparatus 7 can be removed directly from scanning head 4,
It can also be installed on scanning head 4.
Embodiment 2：Near field antenna tests system, as shown in figure 4, the difference of itself and embodiment 1 is, circular arc rail 1
For semicircle shape, the opening of circular arc rail 1 is towards horizontal direction, its feature, due to transverse opening position do not have circular arc rail 1 every
Gear, antenna to be measured are easy to be taken and put from horizontal aperture position.
Embodiment 3：Near field antenna tests system, as shown in figure 5, the difference of itself and embodiment 2 is, circular arc rail 1
Opening vertically open up downward；Rotating disk 31 is identical with the surface of supporting table, and the design is mainly direct easy to some large scale equipments
It is moved in rotating disk 31 and is tested.
Embodiment 4：Near field antenna tests system, as shown in fig. 6, the difference of itself and embodiment 1 or 2 or 3 is, circle
Arc rail 1 is quadrant.
Embodiment 5, near field antenna test system, as shown in fig. 6, its part unlike the embodiments above is, circular arc rail 1
The probe of upper installation is transmitting probe 52 and receiving transducer 51 respectively for two, and transmitting probe 52 is respectively used to receiving transducer 51
Launch radar wave signal with receiving radar wave signal, this two probes are received for one group and emission band, serve as a thunder
The effect reached, the RCS performances available for the tested antenna of detection.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. near field antenna tests system, it is characterized in that：Including circular arc rail (1), circular arc rail (1) sliding has at least one around circular arc rail
(1) component is penetrated in the spy that the center of circle rotates, and component and circular arc rail are penetrated in spy（1）Between be equipped with positioning component；
Spy penetrates component towards the center of circle of circular arc rail (1), and circular arc rail (1) is interior to set the bogey that measured object is placed in circle centre position
(3), bogey (3) can 360 degree rotation with realize measured object around the center of circle rotate.
2. near field antenna according to claim 1 tests system, it is characterized in that：It is single scanning head that component is penetrated in spy
(4), the quantity that component is penetrated in spy can be 2 or 3.
3. near field antenna according to claim 1 tests system, it is characterized in that：Component is penetrated in spy to be included being used to receive and dispatch radar wave
Receiving transducer (51) and transmitting probe (52), it can be 2 or 3 to visit and penetrate the quantity of component.
4. the near field antenna test system according to claim 1 or 2 or 3, it is characterized in that：Positioning component includes fixed spy and penetrates
Motor (61) on component, circular arc rail (1) are provided with the rack (62) mutually ratcheting with shaft in motor (61).
5. near field antenna according to claim 1 tests system, it is characterized in that：Circular arc rail (1) opens up jagged (64), holds
Carry and put (3) and be located at notch (64) place, bogey (3) is in approximately the same plane with circular arc rail (1)；Bogey (3) rotates
The plane formed is mutually perpendicular to plane where circular arc rail (1).
6. near field antenna test system according to claim 1 or 5, it is characterized in that：Bogey (3) is equipped with rotating disk
(31), bogey (3) is equipped with the power source that driving rotating disk (31) rotates.
7. near field antenna according to claim 1 tests system, it is characterized in that：The circular arc rail（1）Offer sliding slot
(21), spy is penetrated component one end and is placed in sliding slot (21), and the other end is placed in sliding slot (21) outside, and block piece (22) is equipped with sliding slot (21),
Block piece (22) barrier is visited and penetrates component.
8. near field antenna according to claim 1 tests system, it is characterized in that：Visit and penetrate laser of the component installation towards the center of circle
Positioner (7).
9. near field antenna according to claim 1 tests system, it is characterized in that：The central angle of circular arc rail (1) is 90 degree.
10. near field antenna according to claim 1 tests system, it is characterized in that：The central angle of circular arc rail (1) is 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721345802.1U CN207249107U (en) | 2017-10-19 | 2017-10-19 | Near field antenna tests system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721345802.1U CN207249107U (en) | 2017-10-19 | 2017-10-19 | Near field antenna tests system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207249107U true CN207249107U (en) | 2018-04-17 |
Family
ID=61882747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721345802.1U Active CN207249107U (en) | 2017-10-19 | 2017-10-19 | Near field antenna tests system |
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|---|---|
| CN (1) | CN207249107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988822A (en) * | 2019-11-21 | 2020-04-10 | 上海卫星工程研究所 | Multi-channel SAR antenna performance detection method based on wireless single TR calibration |
-
2017
- 2017-10-19 CN CN201721345802.1U patent/CN207249107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988822A (en) * | 2019-11-21 | 2020-04-10 | 上海卫星工程研究所 | Multi-channel SAR antenna performance detection method based on wireless single TR calibration |
| CN110988822B (en) * | 2019-11-21 | 2021-09-14 | 上海卫星工程研究所 | Multi-channel SAR antenna performance detection method based on wireless single TR calibration |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 Hualianfeng Second Floor, Yifenghua Innovation Industrial Park, 91 Huaning Road, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN SUNYIELD TECHNOLOGY CO., LTD. Address before: 518131 West Side of 1st Floor of Penghua Industrial Park, Heping West Road, Dalang Street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SUNYIELD TECHNOLOGY CO., LTD. |